Quarterly report pursuant to Section 13 or 15(d)

Revenues (Details)

v3.20.2
Revenues (Details)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 25, 2020
USD ($)
Jun. 27, 2019
USD ($)
Jun. 25, 2020
USD ($)
segment
Jun. 27, 2019
USD ($)
Disaggregation of Revenue [Line Items]        
Number of operating segments | segment     1  
Number of reportable segments | segment     1  
Net Sales $ 462,352 $ 520,311 $ 1,017,289 $ 997,361
Revenue from Contract with Customer, Product and Service Benchmark | Product Concentration Risk        
Disaggregation of Revenue [Line Items]        
Net Sales $ 462,352 $ 520,311 $ 1,017,289 $ 997,361
% of Net Sales 100.00% 100.00% 100.00% 100.00%
Tile | Revenue from Contract with Customer, Product and Service Benchmark | Product Concentration Risk        
Disaggregation of Revenue [Line Items]        
Net Sales $ 118,981 $ 136,319 $ 253,893 $ 261,629
% of Net Sales 26.00% 26.00% 25.00% 26.00%
Laminate / luxury vinyl plank | Revenue from Contract with Customer, Product and Service Benchmark | Product Concentration Risk        
Disaggregation of Revenue [Line Items]        
Net Sales $ 105,427 $ 108,218 $ 230,421 $ 205,720
% of Net Sales 23.00% 21.00% 23.00% 21.00%
Decorative accessories / wall tile | Revenue from Contract with Customer, Product and Service Benchmark | Product Concentration Risk        
Disaggregation of Revenue [Line Items]        
Net Sales $ 87,547 $ 97,594 $ 201,144 $ 192,034
% of Net Sales 19.00% 19.00% 20.00% 19.00%
Installation materials and tools | Revenue from Contract with Customer, Product and Service Benchmark | Product Concentration Risk        
Disaggregation of Revenue [Line Items]        
Net Sales $ 73,213 $ 88,592 $ 167,789 $ 168,301
% of Net Sales 16.00% 17.00% 16.00% 17.00%
Wood | Revenue from Contract with Customer, Product and Service Benchmark | Product Concentration Risk        
Disaggregation of Revenue [Line Items]        
Net Sales $ 41,901 $ 52,762 $ 90,896 $ 101,992
% of Net Sales 9.00% 10.00% 9.00% 10.00%
Natural stone | Revenue from Contract with Customer, Product and Service Benchmark | Product Concentration Risk        
Disaggregation of Revenue [Line Items]        
Net Sales $ 30,319 $ 32,903 $ 65,196 $ 63,790
% of Net Sales 6.00% 6.00% 6.00% 6.00%
Other | Revenue from Contract with Customer, Product and Service Benchmark | Product Concentration Risk        
Disaggregation of Revenue [Line Items]        
Net Sales $ 4,964 $ 3,923 $ 7,950 $ 3,895
% of Net Sales 1.00% 1.00% 1.00% 1.00%